"A break has been completed on the west side of the fire and there has been back-burning off that break," he said.

"Machinery, equipment and personnel have now been moved up to the western side of Ross River Resort, and a break is being put in from the Ross River Highway to the range."

He says they are trying to stop the blaze spreading to the resort area.

Fire crews have been helped in their efforts by pastoral property owners and workers.

A big bushfire in the Watarrka National Park, about 320 kilometres west of Alice Springs is still being watched.

The fire caused the evacuation yesterday of about 120 people from the King Canyon Resort in the park.

They were led out of the area in a road convoy and most arrived in Alice Springs last night.

Another six fire crews and three vehicles are travelling to central Australia from the Top End.

Northern Territory Land Resource Management Minister Willem Westra Van Holthe says the crews will relieve fire officers in central Australia who have been tirelessly working to try and put in breaks and keep the blazes at bay.

He says Bushfires NT is trying to spread the crews and prioritise areas as best they can, but it is hard because of the big distances involved.

"What we are doing is allocating as much of the resources as we have down to central Australia," he said.

"These things do take time."

The fire vehicles from the Top End will have to travel more than 1,300 kilometres by road to reach the main fire areas.